Data coincidence detecting circuit

Details Data coincidence detecting circuit Data coincidence detecting circuit

1993-03-11

1995-03-14

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

Comparing counts

377 56, 377114, 377116, 327 23, H03K 2108

Patent

active

053982703

ABSTRACT:
A data coincidence detecting circuit including a register for receiving n-bit data, a counter for counting up until 2.sup.n to compare the n-bit data with it, a comparator for comparing the outputs of the register and the outputs of the counter, respectively to generate a coincidence detecting signal, a mask portion connected to the output of the comparator for masking the period from a time point when the n-bit data is input to a time point when the input of data ends, and a logic circuit for logically adding the output of the mask portion and the output of the comparator to output the result.

REFERENCES:
patent: 4566111 (1986-01-01), Tanagawa
patent: 4843254 (1989-06-01), Motegi et al.
patent: 5170074 (1992-12-01), Aoki
patent: 5289516 (1994-02-01), Kimura et al.

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